ft_substr.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_substr.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: cbernot <cbernot@student.42lyon.fr>        +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/11/09 12:30:56 by cbernot           #+#    #+#             */
/*   Updated: 2022/12/17 14:12:13 by cbernot          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

char	*ft_substr(char const *s, unsigned int start, size_t len)
{
	char	*res;
	size_t	i;
	size_t	j;

	if (!s)
		return (0);
	if (len > ft_strlen(s))
		len = ft_strlen(s);
	res = malloc(sizeof(char) * (len + 1));
	if (!res || !s)
		return (0);
	i = start;
	j = 0;
	while (i < ft_strlen(s) && j < len)
	{
		res[j] = s[i];
		i++;
		j++;
	}
	res[j] = '\0';
	return (res);
}